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Author :
Publisher :
ISBN 13 :
Total Pages : 14 pages
Book Rating : 4.3/5 (91 download)
Download or read book Requirements for Fire-Resistant High-Efficiency Particulate Air Filters written by and published by . This book was released on 1966 with total page 14 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Humphrey Gilbert
Publisher :
ISBN 13 :
Total Pages : 40 pages
Book Rating : 4.3/5 (91 download)
Download or read book High Efficiency Particulate Air Filter Units written by Humphrey Gilbert and published by . This book was released on 1961 with total page 40 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Institute of Medicine
Publisher : National Academies Press
ISBN 13 : 0309182158
Total Pages : 376 pages
Book Rating : 4.3/5 (91 download)
Download or read book Learning from SARS written by Institute of Medicine and published by National Academies Press. This book was released on 2004-04-26 with total page 376 pages. Available in PDF, EPUB and Kindle. Book excerpt: The emergence of severe acute respiratory syndrome (SARS) in late 2002 and 2003 challenged the global public health community to confront a novel epidemic that spread rapidly from its origins in southern China until it had reached more than 25 other countries within a matter of months. In addition to the number of patients infected with the SARS virus, the disease had profound economic and political repercussions in many of the affected regions. Recent reports of isolated new SARS cases and a fear that the disease could reemerge and spread have put public health officials on high alert for any indications of possible new outbreaks. This report examines the response to SARS by public health systems in individual countries, the biology of the SARS coronavirus and related coronaviruses in animals, the economic and political fallout of the SARS epidemic, quarantine law and other public health measures that apply to combating infectious diseases, and the role of international organizations and scientific cooperation in halting the spread of SARS. The report provides an illuminating survey of findings from the epidemic, along with an assessment of what might be needed in order to contain any future outbreaks of SARS or other emerging infections.
Author :
Publisher :
ISBN 13 :
Total Pages : 10 pages
Book Rating : 4.:/5 (684 download)
Download or read book High Efficiency Particulate Air (HEPA) Filter Generation, Characterization, and Disposal Experiences at the Oak Ridge National Laboratory written by and published by . This book was released on 2002 with total page 10 pages. Available in PDF, EPUB and Kindle. Book excerpt: High Efficiency Particulate Air filtration is an essential component of the containment and ventilation systems supporting the research and development activities at the Oak Ridge National Laboratory. High Efficiency Particulate Air filters range in size from 7.6cm (3 inch) by 10.2 cm (4 inch) cylindrical shape filters to filter array assemblies up to 2.1 m (7 feet) high by 1.5 m (5 feet) wide. Spent filters are grouped by contaminates trapped in the filter media and become one of the components in the respective waste stream. Waste minimization and pollution prevention efforts are applied for both radiological and non-radiological applications. Radiological applications include laboratory hoods, glove boxes, and hot cells. High Efficiency Particulate Air filters also are generated from intake or pre-filtering applications, decontamination activities, and asbestos abatement applications. The disposal avenues include sanitary/industrial waste, Resource Conservation and Recovery Act and Toxic Substance Control Act, regulated waste, solid low-level waste, contact handled transuranic, and remote handled transuranic waste. This paper discusses characterization and operational experiences associated with the disposal of the spent filters across multiple applications.
Author :
Publisher :
ISBN 13 :
Total Pages : 43 pages
Book Rating : 4.:/5 (789 download)
Download or read book Evaluation of High-efficiency Particulate Air Filters for Venting TRUPACT-I written by and published by . This book was released on 1985 with total page 43 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book High-efficiency Particulate Air Filters written by and published by . This book was released on 1974 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: High-efficiency particulate air (HEPA) filters now being manufactured commercially routinely exceed the specification of removing 99.97% of 0.3 mu - diameter particles of a monodisperse dioctyl phthalate (DOP) aerosol. Laboratory tests indicate that when such filters are properly installed in series, at least up to three, each will perform at this same level with plutonia aerosols, leading to decontamination factors in excess of 3 x 10/sup 10/. Filter media that are resistant to serious degradation by hydrogen fluoride and fluorine are now in the process of assembly into filter units for testing. (auth).
Author :
Publisher :
ISBN 13 :
Total Pages : 190 pages
Book Rating : 4.:/5 (684 download)
Download or read book ALTERNATE HIGH EFFICIENCY PARTICULATE AIR (HEPA) FILTRATION SYSTEM. written by and published by . This book was released on 2002 with total page 190 pages. Available in PDF, EPUB and Kindle. Book excerpt: In Phase IIA of this project, CeraMem has further developed and scaled up ceramic HEPA filters that are appropriate for use on filtration of vent gas from HLW tanks at DOE sites around the country. This work included procuring recrystallized SiC monoliths, developing membrane and cement materials, and defining a manufacturing process for the production of prototype full sizes HEPA filters. CeraMem has demonstrated that prototype full size filters can be manufactured by producing 9 full size filters that passed DOP aerosol testing at the Oak Ridge Filter Test Facility. One of these filters was supplied to the Savannah River Technical Center (SRTC) for process tests using simulated HLW tank waste. SRTC has reported that the filter was regenerable (with some increase in pressure drop) and that the filter retained its HEPA retention capability. CeraMem has also developed a Regenerable HEPA Filter System (RHFS) design and acceptance test plan that was reviewed by DOE personnel. The design and acceptance test plan form the basis of the system proposal for follow-on work in Phase IIB of this project.
Author : Mark Schulz
Publisher : William Andrew
ISBN 13 : 1455778648
Total Pages : 861 pages
Book Rating : 4.4/5 (557 download)
Download or read book Nanotube Superfiber Materials written by Mark Schulz and published by William Andrew. This book was released on 2013-09-16 with total page 861 pages. Available in PDF, EPUB and Kindle. Book excerpt: Nanotube Superfiber Materials refers to different forms of macroscale materials with unique properties constructed from carbon nanotubes. These materials include nanotube arrays, ribbons, scrolls, yarn, braid, and sheets. Nanotube materials are in the early stage of development and this is the first dedicated book on the subject. Transitioning from molecules to materials is a breakthrough that will positively impact almost all industries and areas of society. Key properties of superfiber materials are high flexibility and fatigue resistance, high energy absorption, high strength, good electrical conductivity, high maximum current density, reduced skin and proximity effects, high thermal conductivity, lightweight, good field emission, piezoresistive, magnetoresistive, thermoelectric, and other properties. These properties will open up the door to dozens of applications including replacing copper wire for power conduction, EMI shielding, coax cable, carbon biofiber, bullet-proof vests, impact resistant glass, wearable antennas, biomedical microdevices, biosensors, self-sensing composites, supercapacitors, superinductors, hybrid superconductor, reinforced elastomers, nerve scaffolding, energy storage, and many others. The scope of the book covers three main areas: Part I: Processing; Part II: Properties; and Part III: Applications. Processing involves nanotube synthesis and macro scale material formation methods. Properties covers the mechanical, electrical, chemical and other properties of nanotubes and macroscale materials. Different approaches to growing high quality long nanotubes and spinning the nanotubes into yarn are explained in detail. The best ideas are collected from all around the world including commercial approaches. Applications of nanotube superfiber cover a huge field and provides a broad survey of uses. The book gives a broad overview starting from bioelectronics to carbon industrial machines. First book to explore the production and applications of macro-scale materials made from nano-scale particles Sets out the processes for producing macro-scale materials from carbon nanotubes, and describes the unique properties of these materials Potential applications for CNT fiber/yarn include replacing copper wire for power conduction, EMI shielding, coax cable, carbon biofiber, bullet-proof vests, impact resistant glass, wearable antennas, biomedical microdevices, biosensors, self-sensing composites, supercapacitors, superinductors, hybrid superconductor, reinforced elastomers, nerve scaffolding, energy storage, and many others
Author :
Publisher :
ISBN 13 :
Total Pages : 5 pages
Book Rating : 4.:/5 (16 download)
Download or read book In-place HEPA (high Efficiency, Particulate Air) Filter Testing at Hanford written by and published by . This book was released on 1989 with total page 5 pages. Available in PDF, EPUB and Kindle. Book excerpt: High Efficiency, Particulate Air (HEPA) Filters provide a minimum of 99.97% removal efficiency for particles greater than or equal to .3 microns in diameter. Each HEPA filter installation at Hanford is, at specified intervals, functionally tested for leaks. The test procedure involves a dioctylphthalate (DOP) smoke generator and a calibrated airborne particle detector. The DOP generator produces smoke of a known quantitative particle size distribution upstream of the filter. The airborne particle detector is first placed upstream, and then downstream of the filter to determine percent penetration. The smoke generator is characterized using a calibrated laser spectrometer, and the particle detector is calibrated using a calibrated picoammeter. 2 refs., 4 figs.
Author : Michael Joseph Williston
Publisher :
ISBN 13 :
Total Pages : 106 pages
Book Rating : 4.:/5 (118 download)
Download or read book Development of a Model Correlating Axial High Efficiency Particulate Air Filter Performance Between Elevated and Standard Conditions written by Michael Joseph Williston and published by . This book was released on 2020 with total page 106 pages. Available in PDF, EPUB and Kindle. Book excerpt: The ASME AG-1 Code specifies minimum rated airflow based on standard cubic feet per minute (SCFM) for axial high efficiency particulate air (HEPA) filters and actual cubic feet per minute (ACFM) for radial HEPA filters. This study illustrates the variation in filter efficiency of axial HEPA filters subjected to ACFM and SCFM flow conditions. The filter test matrix consists of axial HEPA filters rated at 1,000 and 1,500 CFM with varying filter pack types. Each filter is subjected to pressures from 14.70 psi to 11.25 psi, temperatures of 70°F to 170°F, and relative humidities of 50% to 90%. Evaluation of the effects of designating ACFM or SCFM are based upon the filter efficiencies of generated Dioctyl Phthalate (DOP) particles at a diameter of 0.3 micrometers. A correlation model is developed to convert filter efficiency and pressure drop at elevated conditions to those of standard pressure, relative humidity, and temperature.
Author : Österreischiches Normungsinstitut
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (13 download)
Download or read book High Efficiency Particulate Air Filters (HEPA and ULPA). Part 4, Determining Leakage of Filter Element (scan Method) written by Österreischiches Normungsinstitut and published by . This book was released on 2000 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : British Standards Institute Staff
Publisher :
ISBN 13 : 9780580617942
Total Pages : 32 pages
Book Rating : 4.6/5 (179 download)
Download or read book High Efficiency Air Filters (EPA, HEPA and ULPA). Determining the Efficiency of Filter Elements written by British Standards Institute Staff and published by . This book was released on 1910-01-31 with total page 32 pages. Available in PDF, EPUB and Kindle. Book excerpt: Air filters, Air cleaning equipment, Filters, Efficiency, Performance, Air-conditioning systems, Air-conditioning equipment, Ventilation, Air purification, Controlled-atmosphere rooms, Particulate air pollutants, Particulate materials, Counting, Classification systems, Grades (quality), Test equipment
Author : Standards Association of Australia
Publisher :
ISBN 13 : 9780733710605
Total Pages : 16 pages
Book Rating : 4.7/5 (16 download)
Download or read book High Efficiency Particulate Air (HEPA) Filters written by Standards Association of Australia and published by . This book was released on 1997 with total page 16 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Cynthia Diane Mulrow
Publisher : ACP Press
ISBN 13 : 9780943126661
Total Pages : 134 pages
Book Rating : 4.1/5 (266 download)
Download or read book Systematic Reviews written by Cynthia Diane Mulrow and published by ACP Press. This book was released on 1998 with total page 134 pages. Available in PDF, EPUB and Kindle. Book excerpt: The use and creation of systematic reviews, with a discussion on their value, and information on how to locate, appraise and use them, and on state-of-the-art methods for conducting them.
Author : Zhonglin Xu
Publisher : Springer Science & Business Media
ISBN 13 : 3642393748
Total Pages : 871 pages
Book Rating : 4.6/5 (423 download)
Download or read book Fundamentals of Air Cleaning Technology and Its Application in Cleanrooms written by Zhonglin Xu and published by Springer Science & Business Media. This book was released on 2013-10-10 with total page 871 pages. Available in PDF, EPUB and Kindle. Book excerpt: Fundamentals of Air Cleaning Technology and Its Application in Cleanrooms sets up the theoretical framework for cleanrooms. New ideas and methods are presented, which include the characteristic index of cleanrooms, uniform and non-uniform distribution characteristics, the minimum sampling volume, a new concept of outdoor air conditioning and the fundamentals of leakage-preventing layers. Written by an author who can look back on major scientific achievements and 50 years of experience in this field, this book offers a concise and accessible introduction to the fundamentals of air cleaning technology and its application. The work is intended for researchers, college teachers, graduates, designers, technicians and corporate R&D personnel in the field of HVAC and air cleaning technology. Zhonglin Xu is a senior research fellow at China Academy of Building Research.
Author :
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (138 download)
Download or read book High efficiency particulate air (HEPA) filters, Part 1: Performance and construction written by and published by . This book was released on with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : British Standards Institute Staff
Publisher :
ISBN 13 : 9780580364570
Total Pages : 24 pages
Book Rating : 4.3/5 (645 download)
Download or read book High Efficiency Air Filters (HEPA and ULPA). Determining the Efficiency of Filter Element written by British Standards Institute Staff and published by . This book was released on 2000-10 with total page 24 pages. Available in PDF, EPUB and Kindle. Book excerpt: Air filters, Air cleaning equipment, Filters, Efficiency, Performance, Air-conditioning systems, Air-conditioning equipment, Ventilation, Air purification, Controlled-atmosphere rooms, Particulate air pollutants, Particulate materials, Counting, Classification systems, Grading (quality), Test equipment
